CN113584557B - Aluminum profile spraying equipment and spraying method thereof - Google Patents
Aluminum profile spraying equipment and spraying method thereof Download PDFInfo
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- CN113584557B CN113584557B CN202110923919.8A CN202110923919A CN113584557B CN 113584557 B CN113584557 B CN 113584557B CN 202110923919 A CN202110923919 A CN 202110923919A CN 113584557 B CN113584557 B CN 113584557B
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 96
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000005507 spraying Methods 0.000 title claims abstract description 83
- 238000000576 coating method Methods 0.000 claims abstract description 88
- 239000011248 coating agent Substances 0.000 claims abstract description 83
- 238000012545 processing Methods 0.000 claims abstract description 55
- 239000002966 varnish Substances 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 230000001680 brushing effect Effects 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000001962 electrophoresis Methods 0.000 claims description 87
- 238000001035 drying Methods 0.000 claims description 59
- 239000003973 paint Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000010422 painting Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 10
- 239000004922 lacquer Substances 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000005684 electric field Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000002612 dispersion medium Substances 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 3
- 238000005370 electroosmosis Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides aluminum profile spraying equipment which comprises a processing mechanism, wherein the processing mechanism is sequentially provided with a plurality of processing bins according to processing procedures, and a plurality of processing conveying channels are arranged in the processing bins in a penetrating manner; a conveying channel group is arranged in the processing conveying channel in a penetrating way, and a plurality of aluminum profiles are loaded on the conveying channel group; the processing bins comprise a cleaning brushing bin, an electrophoretic coating bin communicated with the cleaning brushing bin and a varnish spraying bin communicated with the electrophoretic coating bin. The invention discloses integrated aluminum profile spraying equipment and a spraying method thereof, which have convenient, clean and lacquering functions, integrate various lacquering processes and further improve the feeding convenience and stability of the lacquer.
Description
Technical Field
The invention relates to the field of production and processing of aluminum profiles, in particular to aluminum profile spraying equipment and a spraying method thereof.
Background
In the prior art, in the processing treatment of aluminum profiles, aluminum profile products are mainly used for processing and assembling decorative buildings such as windows on the buildings, the production process of the aluminum profiles generally comprises the procedures of extrusion molding, profile tempering, surface cleaning, washing and drying, surface coating, coating and drying, and the like, wherein in the procedures of surface coating, coating and the like, the on-line workpieces are firstly subjected to pretreatment, then the aluminum profile workpieces are subjected to primer spraying treatment, then the primer spraying treatment is carried out after the leveling, the finishing paint is sprayed after the leveling of the finishing paint, then the coating is cured after the leveling of the finishing paint, and the aluminum profile workpieces are naturally cooled until the aluminum profile workpieces are off line. In the traditional aluminum profile spraying process, the drying and curing treatment of the coating such as the primer, the finish paint and the varnish is carried out after the last coating is sprayed and leveled, namely, the aluminum profile is directly baked and dried after being sprayed by each spray booth, and the arrangement of the production process ensures that the cementability among the continuous sprayed coatings is not ideal enough, so that the product performance of the aluminum profile can not achieve the due effect.
The prior art improves the technical problems; patent application number cn201420116086.X; patent name: an aluminum profile spraying production line with an infrared heating system; the utility model discloses an aluminium alloy spraying production line with infrared heating system, hang the district on the aluminium alloy work piece, aluminium alloy spraying district, coating solidification district, aluminium alloy work piece hangs the district under and be used for carrying the conveyor of aluminium alloy pendant walking, be equipped with the infrared heating device that is used for drying coating between each spraying station in the aluminium alloy spraying district, the coating solidification district is equipped with a pair of infrared heating device, wherein a pair of infrared heating device evenly interval arrangement is at the both ends of this coating solidification district, through the infrared heating device that is used for drying coating that is equipped with between each spraying station of aluminium alloy spraying room carries out the heating stoving to the coating of spraying on the aluminium alloy surface, the spraying is carried out the stoving and is handled and can be made the adhesive property between each coating better, promote the performance of aluminium alloy product, simultaneously, can also improve the aesthetic measure of aluminium alloy.
In the prior art, the following disadvantages still exist:
firstly, only can carry out processing to single aluminium alloy, the operation is convenient inadequately, is inconvenient for the multithreading to carry out processing operation.
Second, the traditional single spray mode employed in the spray station is poor in uniformity and stability of the paint.
Thirdly, the material is easy to suspend in the air in the processing technology of the painting, the prior art generally has no waste gas purification treatment function, the pollution in the processing process is easy to be caused at first, and on the other hand, the suspended impurities easily cause the defects on the surface of the painted surface.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides integrated aluminum profile spraying equipment and a spraying method thereof, has convenient, clean and lacquering functions, integrates various lacquering processes, and further improves the feeding convenience and stability of the lacquer.
In order to achieve the above purpose, the invention adopts the following technical scheme: the aluminum profile spraying equipment comprises a processing mechanism, wherein the processing mechanism is sequentially provided with a plurality of processing bins according to processing procedures, and a plurality of processing conveying channels are arranged in the processing bins in a penetrating manner; a conveying channel group is arranged in the processing conveying channel in a penetrating way, and a plurality of aluminum profiles are loaded on the conveying channel group; the processing bins comprise a cleaning brushing bin, an electrophoretic coating bin communicated with the cleaning brushing bin and a varnish spraying bin communicated with the electrophoretic coating bin.
In a preferred embodiment of the invention, the conveying channel group comprises a plurality of conveying rails penetrating through the processing mechanism, a plurality of positioning frames which are arranged at intervals are arranged below the conveying rails, and aluminum profiles are positioned on the positioning frames.
In a preferred embodiment of the invention, a sinking type lifting well is arranged at the lower part of the electrophoresis coating bin, a lifting electrophoresis paint spraying part is arranged in the lifting well, and the lifting electrophoresis paint spraying part comprises at least one electrophoresis box body capable of vertically displacing relative to the lifting well, and the electrophoresis box body; the electrophoresis tank body is filled with electrophoresis coating liquid.
In a preferred embodiment of the invention, the upper part of the electrophoresis coating bin is provided with an open operation port, so that an external electrode can be conveniently loaded on the aluminum profile on the conveying channel group.
In a preferred embodiment of the invention, the conveying track is arranged on the upper part of the processing conveying channel in the processing mechanism in a penetrating way, and the lower parts of the conveying tracks are arranged at intervals and are downwards extended; the locating rack is half packet of style of calligraphy structure that matches, just the delivery track with the inboard of locating rack is provided with a plurality of and is used for supporting the location the setting element of aluminium alloy.
In a preferred embodiment of the invention, the cleaning brush bin comprises a spray gun flushing bin, a wiping drying bin and a wiping smearing bin which are sequentially arranged in series according to the conveying direction.
In a preferred embodiment of the invention, the varnish spraying bin comprises a varnish spraying bin, a varnish coating bin and a drying bin which are sequentially arranged in series according to the conveying direction.
In a preferred embodiment of the invention, a first drying bin is arranged between the electrophoretic coating bin and the varnish spraying bin.
In a preferred embodiment of the invention, the wiping drying bin, the wiping coating bin and the varnish coating bin are respectively provided with a flexible coating part, and a penetrating gap is arranged in the flexible coating part and is used for penetrating a conveying rail loaded with the aluminum profile.
In a preferred embodiment of the present invention, a spraying method of an aluminum profile spraying apparatus comprises the steps of:
and step one, hanging and loading the aluminum profile on each conveying track of the conveying channel group.
Driving an external conveying channel group, sequentially conveying the aluminum profiles which are hung and loaded into a spray gun flushing bin, a wiping drying bin and a wiping smearing bin, and respectively purifying and drying the aluminum profiles which are loaded on the conveying rail.
Step three, conveying the aluminum profile loaded on the conveying track to an electrophoresis coating bin, driving an electrophoresis box body in a lifting electrophoresis paint spraying part to ascend, sleeving the outside of a group of locating frames arranged in parallel on the conveying material channel group, immersing the aluminum profile arranged on the locating frames in electrophoresis coating liquid in the electrophoresis box body, switching on an electrophoresis driving power supply of the electrophoresis box body, and realizing electrophoresis painting on the aluminum profile in the electrophoresis coating liquid.
And step four, conveying the aluminum profile loaded on the conveying track into a drying bin I for drying treatment.
And fifthly, conveying the aluminum profile loaded on the conveying track to a varnish spraying bin and a varnish coating bin of the varnish spraying bin for uniform coating of the varnish.
And step six, conveying the aluminum profile loaded on the conveying rail into a drying bin II for drying treatment, and conveying the processed aluminum profile from the drying bin II to the next working procedure by the conveying rail.
The invention solves the defects existing in the technical background, and has the beneficial technical effects that:
the invention discloses aluminum profile spraying equipment.
Firstly, a transmission channel group penetrating through a processing transmission channel is adopted, and aluminum profiles are loaded by the transmission channel group, so that the transmission convenience of the aluminum profiles is improved; through the processing mechanism that sets up to production line structure, the transmission material way group conveys the each process of processing mechanism in proper order with a plurality of aluminium alloy that load, realizes the processing production of integration.
Secondly, in order to facilitate the transmission of a plurality of groups of aluminum profiles by the transmission channel group, the multi-thread transmission is realized by adopting a plurality of transmission tracks. Through being provided with downwardly extending's locating rack in transfer rail's below, realize the location to the aluminium alloy, be convenient for with the cooperation of over-and-under type electrophoresis portion of spraying paint, the electrophoresis case body in the convenient over-and-under type electrophoresis portion of spraying paint remains the lift, realizes the batch electrophoresis japanning to the aluminium alloy.
Thirdly, the aluminum profile is cleaned in the pre-process of electrophoretic painting of the processing mechanism, and the aluminum profile is subjected to the surface varnish feeding treatment in the post-process of electrophoretic painting, so that the stability of the aluminum profile surface paint is further improved. And (3) electrophoretic painting is adopted, and after spraying, the uniform painting is carried out through a flexible painting piece to realize uniform painting property.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a processing mechanism of the structural schematic view of the preferred embodiment of the present invention;
FIG. 3 is a schematic view showing a structure in which a conveying path set for loading aluminum profiles is penetrated out of a processing mechanism in a preferred embodiment of the present invention;
fig. 4 is a schematic view showing a structure in which a plurality of aluminum profiles are arranged at an upper interval of a transfer rail in a preferred embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the portion A of FIG. 1 in accordance with a preferred embodiment of the present invention;
fig. 6 is a schematic view of a preferred embodiment of the present invention in which a plurality of sets of aluminum profiles juxtaposed on a conveyor lane set are immersed in an electrophoresis tank body;
the meaning of the reference numerals in the figures; 1-processing mechanism, 10-processing conveying channel, 11-spray gun flushing bin, 12-wiping drying bin, 13-wiping coating bin, 14-electrophoresis coating bin, 15-drying bin I, 16-varnish spraying bin, 17-varnish spraying bin, 18-varnish coating bin, 19-drying bin II, 2-conveying channel group, 20-conveying track, 21-locating rack, 22-locating piece, 3-aluminum profile, 4-lifting well, 41-rack slot, 5-lifting electrophoresis paint spraying part, 51-electrophoresis box body, 6-liquid discharging mechanism, 61-liquid discharging pipeline, 7-flexible coating piece and 71-penetrating gap.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
It should be noted that, if a directional indication (such as up, down, bottom, top, etc.) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship between the components, the movement situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is correspondingly changed. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-6, an aluminum profile 3 spraying device comprises a processing mechanism 1, wherein the processing mechanism 1 is sequentially provided with a plurality of processing bins according to processing procedures, and the plurality of processing bins comprise a spray gun flushing bin 11, a wiping drying bin 12, a wiping coating bin 13, an electrophoresis coating bin 14, a drying bin I15, a varnish spraying bin 17, a varnish coating bin 18 and a drying bin II 19 which are sequentially arranged in series along the conveying direction; the processing mechanism 1 is internally provided with a processing conveying channel 10 which horizontally passes through a spray gun flushing bin 11, a wiping drying bin 12, a wiping smearing bin 13, an electrophoretic coating bin 14, a drying bin I15, a varnish spraying bin 17, a varnish smearing bin 18 and a drying bin II 19. The spray gun flushing bin 11, the wiping drying bin 12 and the wiping smearing bin 13 which are sequentially arranged in series according to the conveying direction are combined into a clean brushing bin, and the varnish spraying bin 17, the varnish smearing bin 18 and the drying bin two 19 which are sequentially arranged in series according to the conveying direction are combined into a varnish spraying bin 16.
Specifically, the processing conveying channel 10 is internally provided with a conveying channel group 2 in a penetrating manner, the conveying channel group 2 comprises a plurality of conveying rails 20 which are arranged in parallel at intervals, the adjacent conveying rails 20 are parallel to each other, each conveying rail 20 is a conveying rail 20 with a closed-loop structure, and one end of each conveying rail 20 penetrates through the processing conveying channel 10. Each conveying track 20 penetrates through one end in the machining conveying channel 10 to be fixedly penetrated through the upper portion of the machining conveying channel 10, a track groove is formed in the conveying track 20, conveying hinges of a closed-loop structure driven by an external electrode are embedded in the track groove, the conveying hinges are movably embedded in the track groove, positioning frames 21 extending downwards are sequentially arranged at intervals in the conveying direction of the conveying track 20 at the lower portion of the conveying hinges, the positioning frames 21 are of half-package type or side-opening frame structures, and a plurality of positioning pieces 22 used for supporting and positioning aluminum profiles 3 are arranged on the inner sides of the conveying track 20 and the positioning frames 21. The positioning member 22 is configured as a prior art positioning product, such as a positioning hook or a positioning clip or a positioning rod, but is not limited thereto and other prior art positioning structures may be used in other embodiments.
Specifically, the upper part and the lower part of the spray gun flushing bin 11 are respectively provided with spray guns arranged on two sides of the conveying rail 20, the spray guns adopt air injection guns, and a plurality of air extraction pipes are also arranged in the spray gun flushing bin 11 to suck and store the flushed and splashed impurities.
Specifically, the wiping drying bin 12, the wiping coating bin 13 and the varnish coating bin 18 are respectively provided with a flexible coating piece 7, and a plurality of penetrating gaps 71 which are longitudinally arranged in parallel are arranged in the flexible coating piece 7. More specifically, a dry flexible applicator 7 is disposed within the wiping dry chamber 12. The flexible brushing element 7 arranged in the wiping and smearing bin 13 is connected with an external deionized water tank, and the deionized water tank supplies materials for the flexible brushing element 7 to smear deionized water. The flexible applicator member 7 provided in the varnish application chamber 18 is connected to an external varnish supply tank which supplies the flexible applicator member 7 with varnish. And the varnish spraying bin 17 positioned at the front end of the varnish coating bin 18 is of a hollow structure, and a plurality of rows of spraying heads corresponding to the aluminum profiles 3 on the conveying track 20 are arranged in the varnish spraying bin 17. And, the varnish coating bin 18 is communicated with the varnish spraying bin 17, and at least part of the spraying head corresponds to the flexible brushing element 7 in the varnish coating bin 18, and the flexible brushing element 7 is subjected to a feeding operation.
Further, the lower parts of the spray gun flushing bin 11, the wiping drying bin 12, the wiping smearing bin 13, the electrophoresis coating bin 14, the drying bin I15, the varnish spraying bin 17, the varnish smearing bin 18 and the drying bin II 19 are respectively provided with a storage groove, the storage groove is provided with a suction port, and the suction port is connected with an external liquid draining mechanism 6 through a liquid draining pipeline 61 to drain the redundant waste liquid.
Specifically, the upper part and the lower part in the first drying bin 15 and the second drying bin 19 are respectively provided with drying air pipes arranged at two sides of the conveying track 20, and the air pipes are connected with an external drying fan.
Specifically, the lower part of the electrophoretic coating bin 14 is provided with a sinking type lifting well 4, a lifting type electrophoretic paint spraying part 5 is arranged in the lifting well 4, and the lifting type electrophoretic paint spraying part 5 comprises at least one electrophoretic box body 51 which can move up and down relative to the lifting well 4, and the electrophoretic box body 51; the electrophoresis tank body 51 is loaded with an electrophoresis coating liquid. The upper part of the electrophoresis coating bin 14 is provided with an open operation port, so that an external electrode can be conveniently loaded on the aluminum profile 3 on the branch conveying feeding channel group 2. The electrophoresis tank body 51 adopts an electrophoresis lacquering mechanism in the prior art, and the installation and combination relation of the electrophoresis tank body is not described in detail here. The lift well 4 is in driving connection with the electrophoresis tank body 51 through a lifting mechanism, the lifting mechanism comprises driving rotating shafts which are respectively arranged on two sides of the electrophoresis tank body 51 in a driving mode, the driving rotating shafts are in driving connection with driving motors, driving gears are arranged at two ends of the driving rotating shafts and are respectively in driving engagement with a plurality of longitudinally arranged rack grooves 41 which are arranged in the lift well 4 and used for lifting, and the driving motor is used for driving the driving rotating shafts to rotate positively and negatively to realize the up-and-down displacement of the driving gears in the rack grooves 41, so that the up-and-down displacement of the electrophoresis tank body 51 relative to the lift well 4 is realized.
The specific working principle of electrophoretic painting is that the object to be painted with conductivity is immersed in an electrophoretic paint tank filled with water and diluted with relatively low concentration to be used as an anode (or a cathode), the cathode (or the anode) corresponding to the object to be painted is additionally arranged in the tank, and after direct current is conducted between the two electrodes for a period of time, a uniform and fine coating film which is not dissolved by water is deposited on the surface of the object to be painted.
Four chemical-physical changes are accompanied in the electrophoretic coating process, namely electrolysis, electrophoresis, electrodeposition and electroosmosis.
(1) Electrophoresis: in the colloidal solution, charged colloidal ions dispersed in the medium move towards the direction of the electrode with different charges under the action of a direct current electric field, and the resistance of the colloidal ions to the dispersion medium in the movement process is much larger than that of the true solution in the electric field, so that the movement speed is slower like the migration in the dispersion medium, and the electrophoresis is called electrophoresis. The electrophoresis speed of the colloidal particles depends on the electric field strength and the electric double layer structure characteristics of the water-soluble resin when dispersed.
(2) And (3) electrolysis: when a direct current electric field is applied to the electrolyte-containing aqueous solution, electrolysis of water occurs in the electric field.
Generally, the content of impurity ions in the electrophoresis body is higher, namely, the conductivity of the system is larger, the electrolysis of water is more intense, and thus, a large amount of gas escapes from an electrode, and air holes are mixed during resin deposition, so that the defects of coating pinholes, roughness and the like are caused. Therefore, impurity ions should be prevented from being brought into the electrophoretic fluid as much as possible in the electrophoretic coating process so as to ensure the coating quality.
(3) Electrodeposition: in the electrophoretic coating process, charged particles reach electrodes with opposite charges under the action of an electric field, and are neutralized by anodic electrophoresis and cathodic electrophoresis to become a water-insoluble coating film, and the coating film is stable, compact and uniform. This process is called electrodeposition.
(4) Electroosmosis: this is a phenomenon in which the dispersion medium moves in the opposite direction to the electrophoresis particle migration. The electroosmosis in the electrophoretic coating process is that the hydration positive ions adsorbed in the coating on the anode are acted by an electric field to generate an internal seepage force moving towards the negative electrode, so that the water content in the deposited coating is obviously reduced by penetrating through the deposited coating, and the coating can be directly baked to obtain the coating with compact, flat and smooth structure.
Example two
As shown in fig. 1 to 6, a spraying method of an aluminum profile 3 spraying device comprises the following steps:
in a first step, the aluminum profile 3 is suspended and loaded onto each of the conveyor rails 20 of the conveyor lane group 2.
And step two, driving an external conveying channel group 2, sequentially conveying the aluminum profiles 3 which are hung and loaded into a spray gun flushing bin 11, a wiping drying bin 12 and a wiping smearing bin 13, and respectively purifying and drying the aluminum profiles 3 which are loaded on a conveying rail 20.
Step three, the aluminum profile 3 loaded on the conveying track 20 is conveyed to the electrophoresis coating bin 14, the electrophoresis box body 51 in the lifting electrophoresis paint spraying part 5 is driven to ascend, the outside of a group of locating frames 21 arranged in parallel on the conveying material channel group 2 is sleeved, the aluminum profile 3 arranged on the locating frames 21 is soaked in electrophoresis coating liquid in the electrophoresis box body 51, and the electrophoresis driving power supply of the electrophoresis box body 51 is connected, so that electrophoresis painting is carried out on the aluminum profile 3 in the electrophoresis coating liquid.
And step four, conveying the aluminum profile 3 loaded on the conveying rail 20 into a first drying bin 15 for drying treatment.
And step five, conveying the aluminum profile 3 loaded on the conveying rail 20 to a varnish spraying bin 17 and a varnish coating bin 18 of the varnish spraying bin 16 for uniform coating of varnish.
Step six, the aluminum profile 3 loaded on the conveying rail 20 is conveyed into the drying bin two 19 for drying treatment, and the conveying rail 20 conveys the processed aluminum profile 3 from the drying bin two 19 to the next process.
The working principle of the invention is as follows:
as shown in fig. 1 to 6, the aluminum profile 3 is suspended and loaded onto each of the transfer rails 20 of the transfer lane group 2. And a plurality of groups of aluminum profiles 3 which are arranged in parallel and at intervals are formed on the conveying material channel group 2. The external conveying channel group 2 is driven to sequentially convey the aluminum profiles 3 which are hung and loaded into the spray gun flushing bin 11, the wiping drying bin 12 and the wiping smearing bin 13, and the aluminum profiles 3 which are loaded on the conveying rail 20 are respectively purified and dried.
The purified and dried aluminum profile 3 groups are sequentially conveyed to the electrophoresis coating bin 14, the electrophoresis box body 51 in the lifting electrophoresis paint spraying part 5 is driven to ascend, the outside of a group of locating frames 21 arranged in parallel on the conveying material channel group 2 is sleeved, the aluminum profile 3 arranged on the locating frames 21 is soaked in electrophoresis coating liquid in the electrophoresis box body 51, and the electrophoresis driving power supply of the electrophoresis box body 51 is connected, so that electrophoresis painting is carried out on the aluminum profile 3 in the electrophoresis coating liquid. After the electrophoresis box body 51 is reset, the electrophoresis painted aluminum profile 3 groups are conveyed into the first drying bin 15 through the conveying rail 20 for drying treatment.
The group 3 of the aluminum profiles subjected to the electrophoretic painting is sequentially conveyed to a varnish spraying bin 17 and a varnish coating bin 18 of the varnish spraying bin 16 through a conveying rail 20 for uniform coating of the varnish. The aluminum profile 3 loaded on the conveying rail 20 is conveyed into the second drying bin 19 for drying treatment, and the conveying rail 20 conveys the processed aluminum profile 3 from the second drying bin 19 to the next process.
The above specific embodiments are specific support for the solution idea provided by the present invention, and are not limited to the scope of the present invention, and any equivalent changes or equivalent modifications made on the basis of the technical solution according to the technical idea provided by the present invention still belong to the scope of the technical solution protection of the present invention.
Claims (6)
1. The aluminum profile spraying equipment comprises a processing mechanism, wherein the processing mechanism is sequentially provided with a plurality of processing bins according to processing procedures, and a plurality of processing conveying channels are arranged in the processing bins in a penetrating manner; the method is characterized in that: a conveying channel group is arranged in the processing conveying channel in a penetrating way, and a plurality of aluminum profiles are loaded on the conveying channel group; the processing bins comprise a cleaning brushing bin, an electrophoretic coating bin communicated with the cleaning brushing bin and a varnish spraying bin communicated with the electrophoretic coating bin;
the conveying channel group comprises a plurality of conveying rails penetrating through the processing mechanism, a plurality of positioning frames which are arranged at intervals are arranged below the conveying rails, aluminum profiles are positioned on the positioning frames, and the positioning frames are of half-package type I-shaped structures;
the lower part of the electrophoresis coating bin is provided with a sinking type lifting well, a lifting electrophoresis paint spraying part is arranged in the lifting well, the lifting electrophoresis paint spraying part comprises at least one electrophoresis box body capable of vertically displacing relative to the lifting well, and the electrophoresis box body is provided with a lifting device; the electrophoresis box body is internally loaded with electrophoresis coating liquid, and during electrophoresis, the aluminum profile is soaked in the electrophoresis coating liquid in the electrophoresis box body;
the cleaning brush bin comprises a spray gun flushing bin, a wiping drying bin and a wiping smearing bin which are sequentially arranged in series according to the conveying direction;
the novel aluminum profile cleaning device is characterized in that flexible brushing pieces are arranged in the wiping drying bin, the wiping smearing bin and the varnish smearing bin, penetrating gaps are formed in the flexible brushing pieces and used for penetrating through conveying rails loaded with the aluminum profiles.
2. An aluminum profile spraying device according to claim 1, characterized in that: the upper part of the electrophoresis coating bin is provided with an open operation port, so that an external electrode can be conveniently loaded on an aluminum profile on the conveying channel group.
3. An aluminium profile spraying device according to claim 2, characterized in that: the conveying rail penetrates through the upper part of the processing conveying channel in the processing mechanism, and positioning frames which are arranged at intervals on the lower part of the conveying rail and extend downwards; and the inner sides of the conveying track and the locating frame are provided with a plurality of locating pieces for supporting and locating the aluminum profile.
4. An aluminum profile spraying device as claimed in claim 3, wherein: the varnish spraying bin comprises a varnish spraying bin, a varnish smearing bin and a drying bin II which are sequentially arranged in series according to the conveying direction.
5. The aluminum profile spraying device according to claim 4, wherein: and a first drying bin is arranged between the electrophoresis coating bin and the varnish spraying bin.
6. A spraying method of aluminum profile spraying equipment is characterized in that the spraying method for carrying out surface spraying treatment on aluminum profiles by adopting the aluminum profile spraying equipment according to any one of claims 1-5 comprises the following steps,
step one, hanging and loading aluminum profiles on each conveying track of a conveying channel group;
driving an external conveying channel group, sequentially conveying the aluminum profiles which are hung and loaded into a spray gun flushing bin, a wiping drying bin and a wiping smearing bin, and respectively purifying and drying the aluminum profiles which are loaded on the conveying rail;
step three, conveying the aluminum profile loaded on the conveying track to an electrophoresis coating bin, driving an electrophoresis box body in a lifting electrophoresis paint spraying part to ascend, sleeving the electrophoresis box body outside a group of positioning frames arranged in parallel on a conveying material channel group, immersing the aluminum profile arranged on the positioning frames in electrophoresis coating liquid in the electrophoresis box body, and switching on an electrophoresis driving power supply of the electrophoresis box body to realize electrophoresis painting on the aluminum profile in the electrophoresis coating liquid;
step four, conveying the aluminum profile loaded on the conveying track into a drying bin I for drying treatment;
step five, conveying the aluminum profile loaded on the conveying track to a varnish spraying bin and a varnish coating bin of a varnish spraying bin for uniformly coating the varnish;
and step six, conveying the aluminum profile loaded on the conveying rail into a drying bin II for drying treatment, and conveying the processed aluminum profile from the drying bin II to the next working procedure by the conveying rail.
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| CN202110923919.8A CN113584557B (en) | 2021-08-12 | 2021-08-12 | Aluminum profile spraying equipment and spraying method thereof |
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| CN202110923919.8A CN113584557B (en) | 2021-08-12 | 2021-08-12 | Aluminum profile spraying equipment and spraying method thereof |
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| CN113584557B true CN113584557B (en) | 2023-06-09 |
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| CN115318487B (en) * | 2022-08-11 | 2024-02-20 | 安徽鑫翊新材料有限公司 | Lifting fixture for aluminum veneer nano coating |
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| CN203530468U (en) * | 2013-11-13 | 2014-04-09 | 深圳市美高塑胶金属制品有限公司 | Intelligent hardware machining system |
| CN109985748A (en) * | 2019-04-11 | 2019-07-09 | 浙江台谊消防设备有限公司 | A kind of efficient selective coating machine |
| CN210230439U (en) * | 2019-07-01 | 2020-04-03 | 日立电梯（成都）有限公司 | Electrophoresis and powder spraying production line |
| CN212216034U (en) * | 2020-09-21 | 2020-12-25 | 河北泰勒铁路器材有限公司 | Workpiece paint spraying system |
| CN112342594A (en) * | 2020-10-21 | 2021-02-09 | 温泳涌 | Electrophoresis painting device for aluminum profile machining |
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